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Finding the Fourth Proportional to 18,475.87, 25,496.72 and 10,518.08

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Solution

The fourth proportional to 18,475.87, 25,496.72 and 10,518.08 is: 14,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.87 : 25,496.72 = 10,518.08 : x
  2. Step 2: Convert to fraction form
    18,475.87/25,496.72 = 10,518.08/x
  3. Step 3: Cross multiply
    18,475.87x = 25,496.72 × 10,518.08
  4. Step 4: Simplify right side
    18,475.87x = 268,176,482.53
  5. Step 5: Solve for x
    x = 268,176,482.53/18,475.87
  6. Step 6: Final answer
    x = 14,514.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.